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    1. Mentioned In 488 Articles

    2. Comparison between the measurements of different parameters obtained from optic nerve head analysis by using Heidelberg retinal tomography (HRT3) and Optical coherence tomography (Stratus OCT)

      Comparison between the measurements of different parameters obtained from optic nerve head analysis by using Heidelberg retinal tomography (HRT3) and Optical coherence tomography (Stratus OCT)

      Purpose: A cross-sectional prospective nonrandomized study was undertaken to find out whether Heidelberg retinal tomography (HRT3) and Optical coherence tomography (Stratus OCT) could be used interchangeably for the measurement of different parameters of optic nerve head in clinical practice. Materials and Methods: Measurements of disc area, cup area, rim area and cup-disc area ratio were obtained with the HRT3 and Stratus OCT printouts in 18 patients aged 20 to 70 years. True agreements between methods in measuring disc area, cup area, rim area and cup-disc area ratio were assessed using Bland-Altman statistical analysis. Eighteen patients with a mean age of ...

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    3. New neuroretinal rim analysis with spectral domain optical coherence tomography, Spectralis (Heidelberg Engineering, Germany). Preliminary study

      New neuroretinal rim analysis with spectral domain optical coherence tomography, Spectralis (Heidelberg Engineering, Germany). Preliminary study
      ... After a precise localization of the OD center, 24 radial scans of the ONH are taken with the Spectralis OCT (Heidelberg Engineering, Germany). From the 48 measurements of BMO-MRW, the mean thickness as well as that in e...
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    4. Comparison of penetration depth in choroidal imaging using swept source vs spectral domain optical coherence tomography

      Comparison of penetration depth in choroidal imaging using swept source vs spectral domain optical coherence tomography

      Purpose To compare signal penetration depth and deep structure-visualization of swept source (SS) and spectral domain (SD)-optical coherence tomography (OCT) with and without enhanced depth imaging (EDI) and B-scan averaging modes. Methods Volume scans were obtained from 20 eyes of healthy volunteers by DRI OCT-1, Spectralis using EDI and B-scan averaging, and Cirrus HD-OCT. The signal penetration depth was measured as the distance between the retinal pigment epithelium and the deepest visible anatomical structure at the foveal center. Visibility and contrast of the choroidoscleral junction and of vascular details within the choroid were assessed across the entire volume using ...

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    5. The Role of Optical Coherence Tomography in Intracranial Tumor in a Child – Case Report

      The Role of Optical Coherence Tomography in Intracranial Tumor in a Child – Case Report

      We report the case of a three-year-old child referred to the Neuro-ophthalmology Department with the diagnosis of benign intracranial tumor in close relation to the left optic nerve and to the optic chiasm. Visual acuity, intrinsic and extrinsic ocular motility and fundoscopy were normal and without asymmetries. Given the age of the child and the impossibility of performing perimetry, we decided to perform visual evoked potentials and Optical Coherence Tomography (OCT) of the optic nerve, with measurement of the peripapillary retinal nerve fiber layer. The result was considered normal and symmetrical. The tomographic study the optic nerve, combined with visual ...

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    6. The effects of ocular magnification on Spectralis spectral domain optical coherence tomography scan length

      The effects of ocular magnification on Spectralis spectral domain optical coherence tomography scan length

      Purpose The purpose of this study was to assess the effects of incorporating individual ocular biometry measures of corneal curvature, refractive error, and axial length on scan length obtained using Spectralis spectral domain optical coherence tomography (SD-OCT). Methods Two SD-OCT scans were acquired for 50 eyes of 50 healthy participants, first using the Spectralis default keratometry (K) setting followed by incorporating individual mean-K values. Resulting scan lengths were compared to predicted scan lengths produced by image simulation software, based on individual ocular biometry measures including axial length. Results Axial length varied from 21.41 to 29.04 mm. Spectralis SD-OCT ...

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    7. Optical Coherence Tomography Measurements of Choroidal Thickness in Healthy Eyes: Correlation With Age and Axial Length

      Optical Coherence Tomography Measurements of Choroidal Thickness in Healthy Eyes: Correlation With Age and Axial Length
      ...ODS: Enhanced depth SD-OCT imaging was performed with Cirrus (Carl Zeiss Meditec, Dublin, CA) and Spectralis (Heidelberg Engineering, Heidelberg, Germany) instruments. CT was measured from the outer limit of the retinal ...
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    8. Quantitative comparison of macular segmentation performance using identical retinal regions across multiple spectral-domain optical coherence tomography instruments

      Quantitative comparison of macular segmentation performance using identical retinal regions across multiple spectral-domain optical coherence tomography instruments

      Purpose Comparison of optical coherence tomography (OCT) segmentation performance regarding technical accuracy and clinical relevance. Methods 29 eyes were imaged prospectively with Spectralis (Sp), Cirrus (Ci), 3D-OCT 2000 (3D) and RS-3000 (RS) OCTs. Raw data were evaluated in validated custom software. A 1 mm diameter subfield, centred on the fovea, was investigated to compare identical regions for each case. Segmentation errors were corrected on each B-scan enclosed in this subfield. Proportions of wrongly segmented A-scans were noted for inner and outer retinal boundaries. Centre point thickness (CPT) and central macular thickness (CMT) were compared before and after correction. Results Segmentation ...

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    9. Utility of the 'Fuzzy Area' for Active Myopic Choroidal Neovascularization Detection by Spectral-Domain Optical Coherence Tomography

      Utility of the 'Fuzzy Area' for Active Myopic Choroidal Neovascularization Detection by Spectral-Domain Optical Coherence Tomography
      ...lution (Spectral OCT/SLO; Opko/OTI, Miami, Fla., USA) compared to the SD-OCT used in their study (Spectralis; Heidelberg Engineering, Heidelberg, Germany). This could explain why we did not investigate the different SD-O...
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    10. Diagnostic ability of macular nerve fiber layer thickness using a new segmentation software in glaucoma suspects

      Diagnostic ability of macular nerve fiber layer thickness using a new segmentation software in glaucoma suspects
      ...tinal layer thickness measurements made at the macula using new spectral domain OCT software (Spectralis OCT, Heidelberg Engineering) to distinguish between healthy subjects and those with suspected glaucoma. The diagnos...
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    11. Glaucoma Module Premium Edition for SPECTRALIS to be Showcased at Annual Optometric Press Conference

      Glaucoma Module Premium Edition for SPECTRALIS to be Showcased at Annual Optometric Press Conference
      ...Australia with offices in Melbourne. Continued Precision in Glaucoma Diagnostics from Heidelberg Engineering Heidelberg Engineering GmbH, the global ophthalmic imaging company, is presenting the Glaucoma Module Premium ...
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    12. A hierarchical framework for estimating neuroretinal rim area using 3D spectral domain optical coherence tomography (SD-OCT) optic nerve head (ONH) images of healthy and glaucoma eyes

      A hierarchical framework for estimating neuroretinal rim area using 3D spectral domain optical coherence tomography (SD-OCT) optic nerve head (ONH) images of healthy and glaucoma eyes

      Glaucoma is a chronic neurodegenerative disease characterized by loss of retinal ganglion cells, resulting in distinctive changes in the optic nerve head (ONH) and retinal nerve fiber layer (RNFL). Important advances in technology for non-invasive imaging of the eye have been made providing quantitative tools to measure structural changes in ONH topography, a crucial step in diagnosing and monitoring glaucoma. 3D spectral domain optical coherence tomography (SD-OCT), an optical imaging technique, has been commonly used to discriminate glaucomatous from healthy subjects. In this paper, we present a new approach for locating the Bruch’s membrane opening BMO and then estimating ...

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    13. Spectral domain optical coherence tomography imaging in optic disk pit associated with outer retinal dehiscence

      Spectral domain optical coherence tomography  imaging in optic disk pit associated with outer  retinal dehiscence

      A 37-year-old Bangladeshi male presented with an inferotemporal optic disk pit and serous macular detachment in the left eye. Imaging with spectral domain optical coherence tomography (OCT) revealed a multilayer macular schisis pattern with a small subfoveal outer retinal dehiscence. This case illustrates a rare phenotype of optic disk maculopathy with macular schisis and a small outer retinal layer dehiscence. Spectral domain OCT was a useful adjunct in delineating the retinal layers in optic disk pit maculopathy, and revealed a small area of outer retinal layer dehiscence that could only have been detected on high-resolution OCT.

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    14. 1-15 of 488 1 2 3 4 ... 31 32 33 »
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  2. About Heidelberg Engineering

    Heidelberg Engineering

    Heidelberg Engineering. Ophthalmology Systems. Heidelberg Engineering has paved the way for quantitative retinal imaging in glaucoma management. The Heidelberg Retina Tomograph was the first instrument of its kind available on the market for the routine glaucoma exam. It follows that Heidelberg Engineering has the longest history and the most experience and knowledge of the subject. The high quality and reproducibility of our products have been proven over time by the accuracy and consistency of glaucoma follow-up exams.
    The reason for this is that Heidelberg Engineering has ensured that there is a solid scientific base to all products.
    The company has always been involved in basic research projects, and our technical knowledge is unsurpassed. Heidelberg Engineering is an extremely innovative company. It is the integrity of research and consistency of approach that enable our products to be used with confidence in the clinical environment. Our track record of product development is exceptional! Look at the development milestones achieved during the past 10 years.

  3. Quotes about Heidelberg Engineering

    1. I am becoming a big fan of spectral-domain OCT, especially Spectralis [Heidelberg Engineering, Vista, Calif.]...To this point with time-domain OCT, I have not been convinced that you can use this technology to follow patients over time. Now, with the faster image acquisition and better axial resolution we see with SD OCT, there is better quantitative peripapillary retinal nerve fiber layer measurement for glaucoma management. The improved accuracy of the OCT segmentation allows for better long-term evaluation of patients.
      Leon W. Herndon in Delving into glaucoma
    2. The concept of Heidelberg Engineering has always been to offer system platforms that customers can expand and upgrade with modules as needed, that are flexible and able grow with the organization...Our strategy to offer sustainable solutions has proven to be highly relevant to customers and it makes sense to follow this pathway with HEYEX PACS. Whether you want to integrate into major IT-infrastructures, interface with Electronic Health Record (EHR) systems, review imaging data from mobile devices or centralize all data; the possibilities will be virtually unlimited. Our goal is to enhance the performance and workflow efficiency of eye care professionals. I am confident that this will translate into better patient care and practice growth.
      Kester Nahen in HEYEX PACS™: The Next Generation Image Management and Device Integration Platform